The Late Show with David Letterman (CBS) — Aubrey Plaza, AKA April from “Parks and Recreation,” is tonight’s first guest. In honor of this lovely and charming event, I’ll let April Ludgate GIFs present my opinions on tonight’s listings.

Hard Knocks: A Decade of Training Camps (HBO) — Alas, the NFL’s lockout prevented HBO from being able to produce its annual documentary of a pro team’s training camp, but this best-of special promises at least a little bit of Jets coach Rex Ryan.

I Didn’t Know I Was Pregnant (TLC) — For once it’s not just some really fat moron. In this one, a woman goes into a coma five months after having a miscarriage, only to later find out she had twins and only miscarried one fetus.